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Earth’s Place in Space. Unit 12, Section 1. Earth’s Rotation. Earth rotates around its axis every 24 hours. D ROTATION 1 Day = 24 Hours Y. Earth’s Revolution. One revolution of the Earth around the sun takes a year. S REVOLUTION 1 year to complete N.

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Earth s place in space

Earth’s Place in Space

Unit 12, Section 1


Earth s rotation
Earth’s Rotation

  • Earth rotates around its axis every 24 hours.

    D

    • ROTATION 1 Day = 24 Hours

      Y


Earth s revolution
Earth’s Revolution

  • One revolution of the Earth around the sun takes a year.

    S

    • REVOLUTION 1 year to complete

      N


What causes the 4 seasons
What Causes the 4 Seasons?

  • The seasons change because the Earth’s axis is tilted.

    • When the northern hemisphere faces the sun, we have summer.

    • At the same time, south of the equator is facing away from the sun, so they are in winter.


Movements of the moon
Movements of the Moon

  • The Moon orbits around Earth once every 27.3 days.

    • The light on the moon comes from the sun.

    • When we see the moon completely lit, it’s called a full moon.

      • The time while the sunlit part gets larger is called a waxing moon.

    • When none of the moon is lit, it’s called a new moon.

      • The time while the sunlit part gets smaller is called a waning moon.


Solar eclipse
Solar Eclipse

  • The moon is between the Earth and the sun, blocking our view of the sun.

  • Not all of the Earth will see a total eclipse.


Lunar eclipse
Lunar Eclipse

  • The Earth is between the moon and the sun.

  • Only happen during the full moon.


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